What are the other benefits and costs

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In March 2010, Mc Donald's Corp. announced a policy to increase summer sales by selling all soft drinks, no matter the size, for $1.00. The policy would run for 150 days starting after Memorial Day. The $1.00 drink prices were a discount from the suggested price of $1.39 for a large soda. Some franchisees worried that discounting drinks, whose sales compensate for discounts on other products, could hurt overall profits, especially if customers bought other items from the Dollar Menu. McDonald's managers expected this pro- motion would draw customers from other fast- food chains and from convenience stores such as  7-Eleven. Additional customers would also help  McDonald's push its new beverage lineup that in- cluded smoothies and frappes. Discounted drinks did cut into McDonald's coffee sales in previous  years as some customers chose the drinks rather  than pricier espresso beverages. Other chains with  new drink offerings, such as Burger King and Taco  Bell, could face pressure from the $1.00 drinks at  McDonald's.47

a. Given the change in price for a large soda  from $1.39 to $1.00, how much would quantity  demanded have to increase for McDonald's rev- enues to increase? (Use the arc elasticity for- mula for any percentage change calculations.)

b. What is the sign of the implied cross-price elas- ticity with drinks from McDonald's competitors?

c. What are the other benefits and costs to McDonald's of this discount drink policy?

Reference no: EM13669604

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